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nastyagolova
@nastyagolova
July 2022
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помогите решить уравнение!!!
4x(x+4)+x^3+64=0
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Света19999
Verified answer
4x(x+4)+x^3+64=0
4x^2 + 16x + x^3 + 64 = 0
x^2(4 + x) + 16(x+4) = 0
(4 + x)(x^2 + 16) = 0
4 + х = 0 => x = -4
или
х^2 + 16 = 0 => корней нет
Ответ:-4
2 votes
Thanks 3
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Answers & Comments
Verified answer
4x(x+4)+x^3+64=04x^2 + 16x + x^3 + 64 = 0
x^2(4 + x) + 16(x+4) = 0
(4 + x)(x^2 + 16) = 0
4 + х = 0 => x = -4
или
х^2 + 16 = 0 => корней нет
Ответ:-4